20028082178

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{641}}^1\times {\mathrm{953}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 32952003336

約数和(自身を除く): 12923921158

約数列:

[1, 2, 13, 26, 97, 169, 194, 338, 641, 953, 1261, 1282, 1906, 2522, 8333, 12389, 16393, 16666, 24778, 32786, 62177, 92441, 108329, 124354, 161057, 184882, 216658, 322114, 610873, 808301, 1201733, 1221746, 1616602, 2403466, 7941349, 10507913, 15622529, 15882698, 21015826, 31245058, 59254681, 103237537, 118509362, 206475074, 770310853, 1540621706, 10014041089, 20028082178]

約数ペア:

[(1, 20028082178), (2, 10014041089), (13, 1540621706), (26, 770310853), (97, 206475074), (169, 118509362), (194, 103237537), (338, 59254681), (641, 31245058), (953, 21015826), (1261, 15882698), (1282, 15622529), (1906, 10507913), (2522, 7941349), (8333, 2403466), (12389, 1616602), (16393, 1221746), (16666, 1201733), (24778, 808301), (32786, 610873), (62177, 322114), (92441, 216658), (108329, 184882), (124354, 161057)]